diff --git a/utils/utils.go b/utils/utils.go
index 8c1cfaee..50a06089 100644
--- a/utils/utils.go
+++ b/utils/utils.go
@@ -104,12 +104,12 @@ func IsStopped(stop <-chan struct{}) bool {
 
 // ReadableSize returns a file size in a human readable form
 func ReadableSize(value int64) string {
-	units := []string{"bytes", "KB", "MB", "GB", "TB"}
+	units := []string{"bytes", "KiB", "MiB", "GiB", "TiB"}
 
 	v := float64(value)
 
 	for _, u := range units {
-		if v < 1024 || u == "TB" {
+		if v < 1024 || u == "TiB" {
 			return fmt.Sprintf("%3.1f %s", v, u)
 		}
 		v /= 1024
diff --git a/utils/utils_test.go b/utils/utils_test.go
index 05a1af3c..653adeea 100644
--- a/utils/utils_test.go
+++ b/utils/utils_test.go
@@ -118,7 +118,7 @@ func TestIsStopped(t *testing.T) {
 
 func TestReadableSize(t *testing.T) {
 	ivalues := []int64{0, 1, 1024, 1000000}
-	svalues := []string{"0.0 bytes", "1.0 bytes", "1.0 KB", "976.6 KB"}
+	svalues := []string{"0.0 bytes", "1.0 bytes", "1.0 KiB", "976.6 KiB"}
 
 	for i := range ivalues {
 		if r := ReadableSize(ivalues[i]); r != svalues[i] {